Genuine Eminence

COMMONWEALTH 12 - 12" GUITAR SPEAKER 

CLEAN, LOUD  & BIG SOUNDING WITH A NICE TOUCH OF PRESENCE, YET SMOOTH!

Commonwealth 12 - 8 ohms

No Longer Available. Recommend

Beyma Liberty-8.

WOOFER MODEL COMMONWEALTH 12

SPECIFICATIONS

Nominal Basket Diameter

12" / 304.8mm

Impedance

8 ohms

RMS Power Rating

225 Watts

Usable Frequency Response

50Hz - 4.0kHz

Voice Coil Diameter

4" / 101.6mm

Sensitivity (1W/1m)

100dB SPL

Magnet Weight

109 oz.

Net Weight 21.5bs. /9.8kg.
Shipping Weight 23.2lbs. /10.5kg.

MOUNTING INFORMATION

Overall Diameter 12.28" / 312mm
Bolt Circle Diameter 11.69" / 297mm
Baffle Cutout Diameter 11.08" / 281.3mm
No. Of Mounting Holes 8
Mounting Hole Diameter 0.27" / 6.8mm
Overall Depth 5" / 127mm

MATERIALS

Cone Paper
Voice Coil Aluminum
Magnet Ferrite
Basket Die-cast Aluminum
Surround Cloth
Dust Cap Aluminum

THIELE-SMALL PARAMETERS

Resonant Frequency (fs) 50Hz
Impedance (Re) 6.3 ohms
Coil Inductance (Le) 0.46mH
Electromagnetic Q (Qes) .35
Mechanical Q (Qms) 6.61
Total Q (Qts) 0.33
Compliance Equivalent Vol. (Vas) 90 Liters/3.2cu. ft.
Voice Coil Overhang (Xmax) 0.7mm
Surface Area of Cone (Sd) .051956m2
BL Product (BL) 15.7 T-M
Peak Diaphragm Disp. Vol. (Vd) 36cc

FREQUENCY RESPONSE CURVE

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